White Papers
Table Of Contents
- Executive Summary (updated May 2011)
- 1. Introduction
- 2. Dell NFS Storage Solution Technical Overview
- 3. NFS Storage Solution with High Availability
- 4. Evaluation
- 5. Performance Benchmark Results (updated May 2011)
- 6. Comparison of the NSS Solution Offerings
- 7. Conclusion
- 8. References
- Appendix A: NSS-HA Recipe (updated May 2011)
- A.1. Pre-install preparation
- A.2. Server side hardware set-up
- A.3. Initial software configuration on each PowerEdge R710
- A.4. Performance tuning on the server
- A.5. Storage hardware set-up
- A.6. Storage Configuration
- A.7. NSS HA Cluster setup
- A.8. Quick test of HA set-up
- A.9. Useful commands and references
- A.10. Performance tuning on clients (updated May 2011)
- A.11. Example scripts and configuration files
- Appendix B: Medium to Large Configuration Upgrade
- Appendix C: Benchmarks and Test Tools
Dell HPC NFS Storage Solution - High Availability Configurations
Page 43
Make this change in one place in the xml for each PDU
<fencedevice agent="fence_apc" ipaddr="15.15.10.101"
login="apc" name="15.15.10.101" passwd="apc"/>
<fencedevice agent="fence_apc" ipaddr="15.15.10.105"
login="apc" name="15.15.10.105" passwd="apc"/>
g) PDU ports for the all four power supplies
Make this change in two places in the xml for each of the four PDU ports
<method name="2">
<device name="15.15.10.101" option="off" port="2"/>
<device name="15.15.10.105" option="off" port="2"/>
<device name="15.15.10.101" option="on" port="2"/>
<device name="15.15.10.105" option="on" port="2"/>
</method>
<method name="2">
<device name="15.15.10.101" option="off" port="3"/>
<device name="15.15.10.105" option="off" port="3"/>
<device name="15.15.10.101" option="on" port="3"/>
<device name="15.15.10.105" option="on" port="3"/>
</method>
h) VG and LV names
Make this change in two places in the xml for the VG and LV
<lvm lv_name="DATA_LV" name="HA_LVM" self_fence="1"
vg_name="DATA_VG"/>
<fs device="/dev/DATA_VG/DATA_LV" force_fsck="0"
force_unmount="1" fstype="xfs" mountpoint="/mnt/xfs_data"
name="XFS"
options="noatime,allocsize=1g,nobarrier,inode64,logbsize=26214
4,wsync" self_fence="0"/>
i) XFS mount point
Make this change in one place in the xml.
<fs device="/dev/DATA_VG/DATA_LV" force_fsck="0"
force_unmount="1" fstype="xfs" mountpoint="/mnt/xfs_data"
name="XFS"
options="noatime,allocsize=1g,nobarrier,inode64,logbsize=26214
4,wsync" self_fence="0"/>
j) Service IP for the public network (floating IP that the clients will use to mount NFS)
Make this change in two places in the xml.
<ip address="10.10.10.200" …
<ip ref="10.10.10.200"/>